Window-sash fastener



Y NAPErERS. PHOTD-LITNOGRAFHER WASHINGTON D C NITED STATES PATENT FFICE.

ELIAS K. BRECKENRIDGE, OF VEST MERIDEN, CONNECTICUT.

WINDOW-SASH FASTENER.

Specification of Letters Patent No. 25,379, dated September 13, 1859.

To all whom t may concern:

Be it known that I, E. K. BREOKENRIDGE, of Test Meriden, in the county Of New Haven and State Of Connecticut, have invented a new and Improved Sash-Fastening; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawings, making a part of this specification, in which- Figure l, is a face view of a window having One stile Of its casing bisected vertically tO show my invention which is applied to it, w, ac, Fig. 2, shows the plane of section. Fig. 2, is a horizontal section of ditto, taken in the line y, y, Fig. l. Fig. 3, is a detached face view of the fastening. Fig. 4, is a detached side sectional view of ditto, taken in the line e, z, Fig. 3.

Similar letters Of reference indicate corresponding parts in the several figures.

This invention consists in placing two cams on a common arbor and connecting both by a single spring, the parts being placed in the stile Of the window casing and in such relation with the sash as to bear against its edge. One cam retaining the sash in an upward position at any desired height within the scope Of its movement and consequently Opposing a downward movement and the other cam opposing an upward movement and thereby retaining the sash in a downward position. Either cam being moved Or adjusted when required for the purpose of raising or lowering the sash by means of a lever arranged as hereinafter shown.

To enable those skilled in the art to fully understand and construct my invention I will proceed to describe it.

A, represents a small cast metal frame at the back side of which there are two lugs (z, n, one at each side said lugs projecting out horizontally and having an arbor Or shaft L, fitted between them. On this arbor or shaft Z), two cams B, B, are placed loosely and allowed to work freely thereon, said cams being formed Of corrugated segment plates c, placed eccentrically and in reverse positions at the end of arms (l, the outer ends of which are on the arbor Or shaft b.

On the arbor or shaft b, a spiral spring e, is placed. This spring has each end projecting, the ends crossing each other and bearing against projections f, on the back of the plates c. The spring e, has a tendency to keep the plates c, together. O, is a lever the inner end of which is fitted on the arbor or shaft and allowed to work freely thereon. The lever O, has a lug or projection g, on it which lits between the two cams B, B, as shown clearlyvin Fig. 4.

The frame A, is fitted within the stile D, Of the window casing as shown in Figs. l and 2, and the plates c, bear against the edge Of the sash E, and it will be seen by referring to Fig. 1, that the plate c, of cam B, will retain the sash E, in a closed state as the bearing surface of its plate c, is below the arbor b. It will also be seen that the plate c, of cam B, will retain the sash if raised in consequence Of the bearing point of the plate c, of cam B, being above the arbor b. In order therefore to raise the sash E, the Operator presses down the lever C, and its projection g, depresses the cam B, free from the sash and the latter is allowed to move upward. To lower the sash the operator shoves upward the lever C, and thereby raises the cam B, free from the sash.

A device like the one described is used Of course with each sash.

I do not claim broadly the application of a cam Or eccentric applied to windows to retain the sashes at any desired height and also secure them in a closed state for cams and eccentrics have been used and applied in various ways to effect such result, but,

I do claim as new and desire tO secure by Letters Patent,

The employment- Or use of two cams B, B, placed on a common arbor I), with a spring e, applied tO them and a lever C, the whole being fitted within a frame A, and arranged. to Operate substantially as and for the purpose set forth.

ELIAS K. BRECKENRIDGE.

l/Vitnesses:

Asa H. ROGERS, GEORGE W. ROGERS. 

